https://www.ncbi.nlm.nih.gov/Structure/pdb/8QBZ
8QBZ: Crystal structure of the outer membrane decaheme cytochrome MtrC (E344Boc-Lys)
Extracellular iron oxide respiratory system surface decaheme cytochrome c component MtrC1,2-ETHANEDIOLACETATE IONCALCIUM IONHEME C
crystal structureof the